Installation Manual
9
ENGLISH
EXPANSION KIT Installation
6. Use the installation component 90° elbow to
connect AHU and EXPANSION KIT.
7. Use the installation screw to tighten 4 locations of
the AHU casing and EXPANSION KIT.
8. Weld 4 connecting locations of AHU heat
exchanger pipe and 90° elbow and EXPANSION
KIT pipe.
9. Weld the connecting pipe (Field supply)
connected to the side of the outdoor unit.
10. When connecting the pipe on Outdoor unit and
EXPANSION KIT, always use the socket (Field
supply) that fits the specification.
11. As the size of the pipe connected to
Outdoor unit and EXPANSION
KIT can differ, always use the
socket Field supply that fits the
specification.
12. During all welding, always follow the
precautions. Always have the nitrogen gas flow
through as shown in the following figure during
all welding processes.
Pipe connecting
to outdoor unit
(Field supply)
Connecting socket
(Field supply)
[Connection to AHU]
[Connection to outdoor unit]
Summary of Contents for PATX13A0E
Page 18: ...18 AHU EXPANSION KIT ...
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